#!/bin/bash

# SlackBuild script for CLooG
#
# Copyright 2016 Exaga - penthux.net
# All rights reserved.
#
# - 15 Sep 2016 [Progenitor]
# - 03 Apr 2022 [updated for Slackware AArch64]
#
# # Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=cloog
VERSION=${VERSION:-0.18.1}
BUILD=${BUILD:-1}
TAG="${TAG:-_SBo}"
PKGTYPE="${PKGTYPE:-tgz}"

if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

# PKG build dir vars
CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

# Determine HOST ARCH
if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    aarch64) ARCH=aarch64 ;;
    arm*) ARCH=arm ;;
    # Else use 'uname -m' for all other ARCH
    *) ARCH=$(uname -m) ;;
  esac
fi

# Set ARCH CFLAGS
if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
elif [ "$ARCH" = "aarch64" ]; then
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

# Start clean
rm -rf "$PKG"
mkdir -p "$TMP" "$PKG" "$OUTPUT"
cd "$TMP"
rm -rf $PRGNAM-"$VERSION"
tar xvf "$CWD"/$PRGNAM-"$VERSION".tar.gz

# Configure params
cd $PRGNAM-"$VERSION"
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
../$PRGNAM-"$VERSION"/configure \
  --prefix=/usr \
  --libdir=/usr/lib"${LIBDIRSUFFIX}" \
  --mandir=/usr/man \
  --sysconfdir=/etc \
  --disable-static \
  --build="$ARCH"-slackware-linux \
  --host="$ARCH"-slackware-linux

# Compile PKG
make
make install DESTDIR="$PKG"

# Don't ship .la files:
rm -f $PKG/{,usr/}lib${LIBDIRSUFFIX}/*.la

# Strip some libraries and binaries
find "$PKG" | xargs file | grep -e "executable" -e "shared object" \
  | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null

# Copy PKG docs
mkdir -p "$PKG"/usr/doc/$PRGNAM-"$VERSION" "$PKG"/install
cp -a LICENSE README "$PKG"/usr/doc/$PRGNAM-"$VERSION"
# Copy PRGNAM.SlackBuild to PKG docs
cat "$CWD"/$PRGNAM.SlackBuild > "$PKG"/usr/doc/$PRGNAM-"$VERSION"/$PRGNAM.SlackBuild
# Copy PKG slack-desc
cat "$CWD"/slack-desc > "$PKG"/install/slack-desc

# Build PKG
cd "$PKG"
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE
